XML 80 R59.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Note 5 - Fair Value Measurement - Assets and Liabilities Measured at Fair Value (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Marketable securities (Note 3) $ 64,867 $ 77,469
Foreign exchange contracts 56
Foreign exchange contracts 77
Fair Value, Inputs, Level 1 [Member]    
Foreign exchange contracts  
Foreign exchange contracts  
Fair Value, Inputs, Level 2 [Member]    
Foreign exchange contracts 56  
Foreign exchange contracts   77
Fair Value, Inputs, Level 3 [Member]    
Foreign exchange contracts  
Foreign exchange contracts  
Certificates of Deposits [Member]    
Marketable securities (Note 3)   747
Certificates of Deposits [Member] | Fair Value, Inputs, Level 1 [Member]    
Marketable securities (Note 3)  
Certificates of Deposits [Member] | Fair Value, Inputs, Level 2 [Member]    
Marketable securities (Note 3)   747
Certificates of Deposits [Member] | Fair Value, Inputs, Level 3 [Member]    
Marketable securities (Note 3)  
Corporate Bonds [Member]    
Marketable securities (Note 3) 64,867 76,226
Corporate Bonds [Member] | Fair Value, Inputs, Level 1 [Member]    
Marketable securities (Note 3)
Corporate Bonds [Member] | Fair Value, Inputs, Level 2 [Member]    
Marketable securities (Note 3) 64,867 76,226
Corporate Bonds [Member] | Fair Value, Inputs, Level 3 [Member]    
Marketable securities (Note 3)
Government Bonds [Member]    
Marketable securities (Note 3)   496
Government Bonds [Member] | Fair Value, Inputs, Level 1 [Member]    
Marketable securities (Note 3)  
Government Bonds [Member] | Fair Value, Inputs, Level 2 [Member]    
Marketable securities (Note 3)   496
Government Bonds [Member] | Fair Value, Inputs, Level 3 [Member]    
Marketable securities (Note 3)